碱性氧化物

利用电石渣和碱性氧化物激发矿渣活性的研究

Research on Activating Mineral Activity with Carbide Slag and Basic Oxide

试验结果表明，灰中碱性氧化物含量对其相应离子的溶出有决定性影响，进而对灰水的结垢现象产生决定性影响；

The results show : the content of basic oxide has decisive effect on the dissolving attribute of corresponding irons and on scale of ash water .

本文描述了各种碱性氧化物固硫效果选择实验结果，论述了煤种，燃烧温度、钙/硫比、Fe2O3对固硫效果的影响。

The influence on effectiveness of sulfur-fixing from coal . temperature . Fe_2O_3 , andCalcium / Sulfur ( Ca / S ) are discussed .

污泥中含有CaO、MgO、A12O3等碱性氧化物，使污泥呈碱性。

Sewage sludge contain various alkaline-oxides such as : CaO , MgO , Al2O3 etc. They make sludge alkaline .

考察了用酸性、两性和碱性氧化物改性HY分子筛对烷基化反应性能的影响。

Influence of modification with acidic , amphiprotic and basic oxides on alkylation properties of HY molecular sieve was investigated .

碱性氧化物含量低、SiO2含量高的酸性镍冶炼水淬渣，欲获得较高的活性，须磨到足够大的比表面积和选用适宜的活化剂。

Ground to fine enough so with large specific surface and using adequate activator are the necessary measures to gain high reactivity for pulverized slag of nickel smelting with low caustic oxide content and high SiO_2 .

考察了酸性氧化物Si02、碱性氧化物MgO、中性氧化物Al203作为添加剂对碱金属析出行为的影响。

The effects of acidic oxides SiO2 , alkali oxides MgO , neutral oxide Al2O3 as additives on the alkali metal emission were investigated .

而当碱性氧化物质量分数大于48%时，碱性氧化物对生活垃圾焚烧灰渣熔点的影响则相反。

On the contrary , if the alkaline oxide content is higher than 48 % , the tendency would be getting reversed .

熔融渣中碱性氧化物和酸性氧化物的含量基本相同，碱度接近于1.0；

In melted slags , alkaline oxide content is basically similar to that of acidity oxide , and the alkalinity is close to 1 ;

很多的科研工作者研究了一系列金属氧化物包括：碱性氧化物、过渡金属氧化物和稀土金属氧化物作为催化剂用于苯甲酸（或酯）加氢反应。

A large number of metal oxides , including alkali earth oxides , transition metal oxides and rare earth oxides , had been suggested for using as catalysts for the selective hydrogenation of benzoic acid and methyl benzoate .

煤灰的熔融特性不仅与煤灰的化学组成有关，还与灰成分的矿物形态有关，其中酸性氧化物可提高煤灰熔融温度，碱性氧化物却呈现降低煤灰熔融温度与助熔剂的作用。

Coal-ash fusibility exhibits corresponding relations to its chemical composition and mineral composition , in which acidic oxides can increase the ash fusion temperature , but the basic oxides play a role in helping fusion and can reduce the ash fusion point .

而灰渣中总碱性氧化物的质量分数低于48%时，生活垃圾焚烧灰渣熔点随碱性氧化物质量分数的增加而降低；

However , the alkaline oxides also affect their melting point . But , when the content of alkaline oxides is below 48 % , the melting point would be getting lower and lower with the increase of the alkaline oxide gross .

同时发现，碱性金属氧化物作助剂可以增强助剂与活性组分之间的协同作用，提高异丁醛的选择性和收率，较适宜的助剂是CaO。

Alkali metal oxides improve the synergistic effect between active component and promoters , and increase selectivity and yield of isobutyraldehyde . The optimum promoter is CaO .

掺杂碱性金属氧化物MgO和La2O3能够显著提高乙醇的灵敏度，同时使异丁烷的灵敏度有所降低；

The results show that the sensitivity of indium oxide doping noble metal to iso-butane is increased , for the dopant can improve the catalytic property of indium oxide ;

试验结果表明：粉煤灰水中的酸碱性受灰中SO3与碱性金属氧化物含量的影响；

The results indicate that the acidity and basicity in the waste water are affected by the SO 3 and metal oxide content in the fly ash ;

MgO是一种具有中强碱性的金属氧化物。

MgO is a kind of metal oxide with medium-strength basicity .

试验结果还表明，在碱性系统中铁的氧化物氢氧化物对Cr（Ⅵ）的吸附和沉淀效果十分有限。

The absorption / precipitation effect of ferrite oxides / hydrates on Cr (ⅵ) was also investigated and it was approved to be very limited under alkaline circumstance by experimental results .

碱性溶液中铅氧化物与多元醇相互作用的研究

A study of interaction between lead oxides and polyhydric alcohols in alkaline solution

制备了负载型镍催化剂，并加入碱性和过渡金属氧化物助剂，各种氧化物总负载量低于催化剂质量的30%。

The supported nickel catalyst was prepared in which basic oxides and transition metal oxides were added as promoter , and all the oxides in amount were less than 30 % of the mass of catalyst .

活性炭表面的碱性基团和弱碱性的金属氧化物使得催化臭氧化反应最终pH值比臭氧氧化略高。

The basic groups in activated carbon surface and the weak alkaline of metal oxides in Cu / AC and Ni / AC aroused the final pH values in catalytic ozonation slightly higher than that of ozonation .